Radioelectric insulating support



f w w w 4 n a W I .1 i Z 6 M U p/ w U A d 10 u m Feb-24, 1931. H. GUILLOU RADIQELECTRIC INSULATING SUPPORT Filed April 23, 1928 Patented Feb. 24, 1931 UNITED STATES PATENT OFFICE HENRI GUILLOU, DE NEMOURS, FRANCE 1 RADIOELECTRIC INSULATING SUPPORT My invention relates to a fastening and supporting device for radio-electric instrumentalities and the objects of the invention are, first, to provide such a device which shall be particularly adapted to support the said instrumentalities on quartz, and. second, to provide a device of the character indicated whic i is rez lily attached to the quartz without necessitating the drilling thereof, whereby the possibility of fracture is entirely eliminated.

Other objects of my invention reside in certain novel forms, construction, and combination of parts, the objects of which are to provide reiiable devices for the purposes stated and to cheapen the cost of manufacture, all of which will hereinafter be fully described and claimed.

In the accompanying drawing forming a part of this specification Fig. 1 is a plan view of my improved clamp and its support;

Fig. 2 is a section along the line A-A of Fig. 1;

Fig. 3 is a section along the line BB of Fi 2:

Fig. 4 is a partial section of a contact prong attached to my improved clamp; and

Fig. 5 shows a mounting for inductance coils constructed according to the invention.

Referring to the drawing, a is a tubular support of quartz. Notches c are cut on each end of the tubular support at the points where the instrumentality to be supported is to be attached. These notches are out so as to form a longitudinally extending attaching slab 71 having oppositely inclined chamfered edges. In some instances I may form the attaching slab b by simply drilling suitably inclined holes (Z as shown in Fig. 4. The instrumentality to be attached to the support a is fixed by suitable means such as screw-threading, bo ting, riveting or sweating to a clamp e of sheet brass, whose extremities e are bent over in gripping relation on the chamfered edges of slab b. I have shown by way of an illustrative example in Fig. 4:, a contact pron g f provided with a Wire receiving terminal f attached by a rivet f to clasp e. A foot f is provided on said prong and is bent over to bear on the extremity e of clamp c for rendering the whole more solid.

In Fig. 5 I have shown two clamps 0 mounted at diametrically opposite points on, the support a as previously described, each of said clamps having a prolonged portion 6 bent in the form of a U. The arms 6 serve to secure by means of bolts It, the two extremities of an insulating band i which surrounds a coil j and maintains the said coil in position against the end of support a.

While I have shown what I deem to be the preferable form of my device I do not wish to be limited thereto as there might be various changes made in the details of construction and the arrangement of parts without departing from the spirit of the invention comprehended within the scope of the appended claims. I

Having thus described my invention what I claim as new and desire to secure by Letters Patent is:

1. An insulating support for radio instrumentalities, comprising in combination, a quartz base, clamping means adapted to grip said quartz base, a contact prong carried by said clamping means and a bracing foot on said contact prong engaging said clamping means.

2. An insulating support for radio instrumentalities, comprising in combination, a quartz base, a strip of sheet metal, a contact prong carried by said strip of metal, a plurality of integral arms on said strip adapt: 7 ed to resiliently engage said base and a bracing foot on said contact prong engaging one of said arms.

3. An insulating support for radio instrumentalities, comprising in combination, quartz base, a strip of sheet metal, a "contact prong carried by said strip of metal.

'chamfered edges on said base, a plurality of integral arms on said strip adapted to resiliently engage said chamfered edges and a bracing foot on said contact prong engaging one of said arms.

l. An insulating mounting for inductance coils comprising a quartz base, a plurality of clamping members on said base, a contact prong carried by each of said clamping memcontact prongs engaging said means, a U-shaped armprovided on each of said clamping members and means for attaching the extremities of a coil gripping in- V sulating band to said U-shaped' arms.

5. An insulating mounting for inductance coils comprising a quartz base, chamfered edges on said base, a plurality of clamping members engaging said chami'ered edges, a contact prong carried by each of said clamping members, a bracing foot on each of said clamping.

said clamping members and means for attaching the extremities of a coil gripping in sulating band to said U-shaped arms.

6 An insulating mounting for inductance coils comprising a quartz base, chamfered edges on said base, a plurality of strips of sheet metal, a plurality of arms on each of said strips resiliently engaging said chamfered edges, a contact prong carried by each of said strips, a bracing foot on each of said contact prongs engaging an arm on its respective strip, a. U-shaped extensionformed on each of said last mentioned arms and means for attaching the extremities of a coil gripping insulating b and to said U- shaped extensions. I j

7. An insulating mounting for, inductance coils comprising a quartz base of hollow cylindrical section in Which are formed aplurality of notches, oppositelyv inclined surfaces in the bottom of each pair of said notches, a metal strip for each of said pairs of notches, a pair of arms on each of said strips resiliently embracing the bottoms of the respective notches thereof, a'contact prong carried by each of said strips, a bracing foot oneach of said contact prongs engaging an 7 arm on its respective strip, a U-shaped extension formed on each of said last mentioned" arms and means forattaching the extremities of a coil gripping insulating band to said U-shaped extensions. V M

8. An insulatingsupport for electrical accessories comprising a base of brittle insulating material, an accessory supporting strip of sheet metal, chamfered edges on said base and I a plurality of integral arms on said metal strip adapted to resiliently hook over said chamfered edges whereby drilling of said base is eliminated.

9. An insulating support for electrical accessories comprising a base of quartz, an accessory supporting strip of sheet metal, chamfered edges on said base and a plurality of integral arms on said metal strip adapted to resiliently hook over said chamfered edges whereby drilling of saidbase is eliminated.

10. An insulating support for electrical accessoriescomprising, in combination, a base of brittle insulating material, clamping means adapted to grip saidbase,a contact prong carried by said clamping means and a I 11. An insulatingisupport for electrical accessories comprising, in combination, a base of brittle insulating material, a strip of sheet metal, a contact prong carried by said strip of metal, a pluralityofintegral arms on said strip adapted to resiliently engage said base and a bracing footon' saidcontact prong engaging one of said arms.

12. An insulating support for electrical accessories comprising, in combination, a base of brittle insulating material, a strip of metal, chamfered edges on said base, a plurality of integral arms on said strip adapted to resiliently engage said chamiered edges and a bracing foot on said contact prong engaging one of said arms. v

13. An insulating mounting for inductance coils comprising a base of brittle insulating material, a plurality of clamping members on said base, a contact prong carried by each of said clamping members and means for a taching the extremities of a coil gripping insulating band to said U-shaped arms.

In testimony whereof I hereunto afiix my 

